Welcome to the Columbia Group of the Oregon Sierra Club!
The Columbia Group is an active group of over 11,000 local citizens from the Northwest corner of the state of Oregon. Our group is entirely volunteer run. Be sure to check out our volunteer page to find out how you can be involved with the Sierra Club at the local level.
Join the Columbia Group’s Email News List!
Get weekly updates on conservation meetings, outings, and singles club activities. To get weekly email news go to The sign up page and fill out the form.